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authorMarc Zyngier <maz@kernel.org>2022-01-14 14:07:37 +0000
committerPeter Maydell <peter.maydell@linaro.org>2022-01-20 11:47:52 +0000
commita63618b147443de2485fb93705e21879b25c64c2 (patch)
tree8d7e36cf76be11330c2fd0b4ca189fc1d574e9f8 /include/hw/arm/virt.h
parentc8f008c40fb9dc35bc0fdcd52d747c920d614725 (diff)
downloadfocaccia-qemu-a63618b147443de2485fb93705e21879b25c64c2.tar.gz
focaccia-qemu-a63618b147443de2485fb93705e21879b25c64c2.zip
hw/arm/virt: Add a control for the the highmem redistributors
Just like we can control the enablement of the highmem PCIe region
using highmem_ecam, let's add a control for the highmem GICv3
redistributor region.

Similarily to highmem_ecam, these redistributors are disabled when
highmem is off.

Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20220114140741.1358263-3-maz@kernel.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include/hw/arm/virt.h')
-rw-r--r--include/hw/arm/virt.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/hw/arm/virt.h b/include/hw/arm/virt.h
index cf5d8b83de..c1ea17d0de 100644
--- a/include/hw/arm/virt.h
+++ b/include/hw/arm/virt.h
@@ -144,6 +144,7 @@ struct VirtMachineState {
     bool highmem;
     bool highmem_ecam;
     bool highmem_mmio;
+    bool highmem_redists;
     bool its;
     bool tcg_its;
     bool virt;
@@ -191,7 +192,8 @@ static inline int virt_gicv3_redist_region_count(VirtMachineState *vms)
 
     assert(vms->gic_version == VIRT_GIC_VERSION_3);
 
-    return MACHINE(vms)->smp.cpus > redist0_capacity ? 2 : 1;
+    return (MACHINE(vms)->smp.cpus > redist0_capacity &&
+            vms->highmem_redists) ? 2 : 1;
 }
 
 #endif /* QEMU_ARM_VIRT_H */